نتایج جستجو برای: layering and superimposing these layers

تعداد نتایج: 16865426  

2002
Ivica Rimac Jens B. Schmitt Ralf Steinmetz

To accommodate heterogeneous transmission conditions in a streaming scenario several multi-rate multicast solutions have been proposed, based on simulcasting or hierarchical layering. At present, most of these schemes follow a receiver-driven layered multicast approach, where the receivers join or leave a subset of the session’s fixed-rate layers in response to changing network conditions. Yet,...

2007
Mathieu Hébert Jean-Marie Becker

This article provides a theoretical junction between two different mathematical models dedicated to the reflectance and the transmittance of diffusing layers. The KubelkaMunk model proposes a continuous description of scattering and absorption for two opposite diffuse fluxes in a homogenous layer (continuous 2-flux model). On the other hand, Kubelka’s layering model describes the multiple refle...

2008
Mathieu Hébert Jean-Marie Becker

This paper provides a theoretical connection between two different mathematical models dedicated to the reflectance and the transmittance of diffusing layers. The Kubelka–Munk model proposes a continuous description of scattering and absorption for two opposite diffuse fluxes in a homogeneous layer (continuous two-flux model). On the other hand, Kubelka’s layering model describes the multiple r...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1382

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

2016
T. Duretz B. Petri G. Mohn S. M. Schmalholz F. L. Schenker O. Müntener

Lithospheric extension can generate passive margins that bound oceans worldwide. Detailed geological and geophysical studies in present and fossil passive margins have highlighted the complexity of their architecture and their multi-stage deformation history. Previous modeling studies have shown the significant impact of coarse mechanical layering of the lithosphere (2 to 4 layer crust and mant...

1997
Tom Mens Patrick Steyaert

Nested state diagrams are a commonly accepted design notation for modelling complex software systems at different levels of detail. Besides nesting, other layering mechanisms are needed. However, incremental development of layered state diagrams raises the problem of change management. Changes made at high abstraction layers can have a serious impact on more concrete layers, as conflicts can be...

Journal: :Nano letters 2015
Damon B Farmer Daniel Rodrigo Tony Low Phaedon Avouris

Graphene plasmonic structures with long-range layering periodicity are presented. Resonance energy scaling with the number of graphene layers involved in plasmonic excitation allows these structures to support multiple plasmonic modes that couple and hybridize due to their physical proximity. Hybridized states exhibit bandwidth enhancements of 100-200% compared to unhybridized modes, and resona...

2008
Hamid Ez-Zahraouy Abdelilah Benyoussef Lahoucine Bahmad

Wetting phenomena plays an interesting role in the technological development of materials. Recently, much attention has been directed to the study of magnetic solid films. To understand, theoretically, the effect of surface on wetting and layering transitions in these systems, we will give in this chapter a presentation of several relevant recent theoretical works realized on wetting and layeri...

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